This Lesson contains a video with 20 testable slides. It moves forward at 30-second per slide. There is a comprehensive test at the end, and it is important to know that 80% passing is required. If you do not pass, you will need to contact the administrator for a reset. In that case, the following test(s) are not the same as this first one. Please pay close attention, take notes, adjust volume for music, and pause as necessary.